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患者男,16岁。于2年前无明显诱因出现视物模糊、头昏及左侧肢体乏力。入院体检:神志清楚,双侧瞳孔等大等园,光反射存在,脑膜刺激征阴性,右侧肢体肌力5级,左侧肢体肌力4级,病理征阴性。MRI表现:右侧大脑半球可见大片状长T1、长T2信号,右侧基底节显示结节状稍短T1、稍短T2信号,大小约为34 mm×15mm×30 mm,右侧脑室受压,中线向左侧轻度移位,右侧颞枕叶脑沟增宽。增强扫描示右侧基底节多个小环状强化,环套环呈“结绳”状强化,余未见异常强化(图1~4)。行立体定向
Male patient, 16 years old. 2 years ago no obvious incentive to blurred vision, dizziness and left limb weakness. Admission medical examination: conscious, bilateral pupil and other large park, the presence of light reflex, negative meningeal irritation, the right limb muscle strength 5, left limb muscle strength 4, pathological signs negative. MRI manifestations: large long T1 and long T2 signals can be seen in the right hemisphere, and nodular short T1 and short T2 signals in the right basal ganglia, with a size of about 34 mm × 15 mm × 30 mm. The right ventricle Pressure, mild shift to the left of the midline, right temporal occipital sulci widened. Enhanced scan shows the right side of the basal ganglia multiple small ring-like enhancement, the ring is “rope ” shape enhancement, I no abnormal enhancement (Figure 1-4). Stereotactic